Home / 455,851.05-683,785.37-140,307.63

Finding the Fourth Proportional to 455,851.05, 683,785.37 and 140,307.63

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Solution

The fourth proportional to 455,851.05, 683,785.37 and 140,307.63 is: 210,464.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,851.05 : 683,785.37 = 140,307.63 : x
  2. Step 2: Convert to fraction form
    455,851.05/683,785.37 = 140,307.63/x
  3. Step 3: Cross multiply
    455,851.05x = 683,785.37 × 140,307.63
  4. Step 4: Simplify right side
    455,851.05x = 95,940,304,693.37
  5. Step 5: Solve for x
    x = 95,940,304,693.37/455,851.05
  6. Step 6: Final answer
    x = 210,464.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.